package com.volunteer_sys.service;

import com.volunteer_sys.pojo.Activity;

import java.util.List;

public interface AttService {
    Integer getRestNumById(Integer att_id);
    Activity getAtt(Integer att_id);
    List<Activity> getAllAtt();
    boolean addAtt(Activity att);
    boolean delAtt(Integer att_id);
    boolean openSignature(Integer att_id);
    boolean cancelSignature(Integer id);
}
